Zobrazeno 1 - 10
of 38
pro vyhledávání: '"G. J. de Graaf"'
Publikováno v:
Fisheries Management and Ecology. 22:71-77
Lakes, reservoirs and wetlands cover a total area of about 7.8 million km2 and provide a rich environment for inland capture fisheries. Production from the world's inland capture fisheries has grown steadily to over 11.6 million tonnes in 2012, with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecfe43ac27b14b8b2600fc2dddd946e3
https://doi.org/10.1111/fme.12104
https://doi.org/10.1111/fme.12104
Publikováno v:
Aquatic Ecosystem Health & Management. 17:4-13
From 1999 to 2011 some regions in the Lake Tanganyika Basin experienced humanitarian crises that displaced hundreds of thousands of people to neighboring countries. When relative calm returned to the region in 2008, an influx of displaced peoples and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25f41a8859ba38435623a7f6ee9d284b
https://doi.org/10.1080/14634988.2014.882733
https://doi.org/10.1080/14634988.2014.882733
Publikováno v:
Aquatic Ecosystem Health & Management. 17:34-40
Since the first regional lakewide fisheries frame survey on Lake Tanganyika in 1995, no fisheries census was conducted in the Democratic Republic of Congo and therefore the results of the second lakewide frame survey in 2011 should be studied intensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dcef49e5ddf734eabce52098a20f993
https://doi.org/10.1080/14634988.2014.882722
https://doi.org/10.1080/14634988.2014.882722
Publikováno v:
Fisheries Management and Ecology. 22:64-70
The majority of the global inland fisheries catch is obtained in developing countries. However, there are severe constraints in collection of information on inland fisheries leading to doubts over the reliability of the available information at the g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e7b6ba3a7143c64c839c191ac56d2a0
https://doi.org/10.1111/j.1365-2400.2011.00844.x
https://doi.org/10.1111/j.1365-2400.2011.00844.x
Autor:
G. J. De Graaf
Publikováno v:
Fisheries Management and Ecology. 10:191-199
Floodplain fisheries were monitored from 1992 until 2000 in the Compartmentalization Pilot Project in Tangail, Bangladesh. In permanent floodplains about 165 ± 28 kg ha−1 of fish was caught annually. For seasonal floodplains, this figure was 83 ±
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09452b65b839891468ecb23a71ada3fa
https://doi.org/10.1046/j.1365-2400.2003.00339.x
https://doi.org/10.1046/j.1365-2400.2003.00339.x
Publikováno v:
Fisheries Research. 54:267-277
Estimation of population parameters of two commercially important claroteids (Chrysichthys auratus and C. nigrodigitatus) in lake Volta were obtained from length composition data compiled in 1995 and 1996. The von Bertalanffy growth constants for C.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ccf503c462bb762cedba80243c7e54c
https://doi.org/10.1016/s0165-7836(00)00292-7
https://doi.org/10.1016/s0165-7836(00)00292-7
Publikováno v:
Fisheries Management and Ecology. 8:37-45
Estimates of growth and mortality of the catfish, Hemisynodontis membranaceus (Geoffroy St. Hilaire), in Lake Volta were obtained from length composition data compiled in 1995 and 1996. The von Bertalanffy growth function (VBGF) estimates were: L∞=
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d507e8ccd0947172d0ed14658b930027
https://doi.org/10.1046/j.1365-2400.2001.00214.x
https://doi.org/10.1046/j.1365-2400.2001.00214.x
Publikováno v:
Fisheries Management and Ecology. 6:109-120
Larval fish drift and distribution patterns were studied in the River Lohajang, a tributary of the River Jamuna, Bangladesh, during the monsoon seasons (June - October) of 1992, 1993 and 1994. Larval fish drift peaks with the water levels of the Rive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3988fd0b4596074f8dbc4ba4db70981a
https://doi.org/10.1046/j.1365-2400.1999.00124.x
https://doi.org/10.1046/j.1365-2400.1999.00124.x
Publikováno v:
European Journal of Pharmacology 346 (1998)
European Journal of Pharmacology, 346, 71-76
European Journal of Pharmacology, 346, 71-76
The 4-substituted imidazole type alpha2-adrenoceptor ligands atipamezole, detomidine, and medetomidine were screened for actions on the release of aldosterone by a suspension of porcine adrenocortical cells with deoxycorticosterone (1 microM) as subs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f553ecdfe8f73a87f441aa1d0a9595a
https://doi.org/10.1016/s0014-2999(98)00044-2
https://doi.org/10.1016/s0014-2999(98)00044-2
Publikováno v:
Environmental monitoring and assessment. 11(2)
Cattle in the Kempen area (in the province North-Brabant, the Netherlands) were investigated for cadmium, lead, zinc, and copper in livers and kidneys. The animals originated from farms located within a 20 km radius around several zinc refinery plant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9e8a9ce1e5238ae86302b784a6f99ff
https://pubmed.ncbi.nlm.nih.gov/24248884
https://pubmed.ncbi.nlm.nih.gov/24248884